GNU bug report logs - #38678
[PATCH 0/2] Add '--load-path' to subcommands

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Message #35 received at 38678 <at> debbugs.gnu.org (full text, mbox):

From: zimoun <zimon.toutoune <at> gmail.com>
To: 38678 <at> debbugs.gnu.org
Cc: zimoun <zimon.toutoune <at> gmail.com>
Subject: [PATCH v2 4/4] edit: Add '--load-path' option.
Date: Wed,  8 Jan 2020 19:56:24 +0100

* guix/scripts/edit.scm (%option): Add '--load-path' option.
* doc/guix.texi: Document it.
---
 doc/guix.texi         |  4 ++++
 guix/scripts/edit.scm | 10 +++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index bee4c3b2c9..00eb85a4f7 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -8705,6 +8705,10 @@ have created your own packages on @code{GUIX_PACKAGE_PATH}
 recipes.  In other cases, you will be able to examine the read-only recipes
 for packages currently in the store.
 
+Instead of @code{GUIX_PACKAGE_PATH}, the command-line option
+@code{--load-path=@var{directory}} (or in short @code{-L
+@var{directory}}) allows you to add @var{directory} to the front of the
+package module search path and so make your own packages visible.
 
 @node Invoking guix download
 @section Invoking @command{guix download}
diff --git a/guix/scripts/edit.scm b/guix/scripts/edit.scm
index da3d2775e8..a6fd1d2751 100644
--- a/guix/scripts/edit.scm
+++ b/guix/scripts/edit.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2015, 2016, 2019 Ludovic Courtès <ludo <at> gnu.org>
 ;;; Copyright © 2015 Mathieu Lirzin <mthl <at> gnu.org>
+;;; Copyright © 2020 Simon Tournier <zimon.toutoune <at> gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -20,6 +21,7 @@
 (define-module (guix scripts edit)
   #:use-module (guix ui)
   #:use-module (guix scripts)
+  #:use-module ((guix scripts build) #:select (%standard-build-options))
   #:use-module (guix utils)
   #:use-module (gnu packages)
   #:use-module (srfi srfi-1)
@@ -28,7 +30,10 @@
             guix-edit))
 
 (define %options
-  (list (option '(#\h "help") #f #f
+  (list (find (lambda (option)
+                (member "load-path" (option-names option)))
+              %standard-build-options)
+        (option '(#\h "help") #f #f
                 (lambda args
                   (show-help)
                   (exit 0)))
@@ -39,6 +44,9 @@
 (define (show-help)
   (display (G_ "Usage: guix edit PACKAGE...
 Start $VISUAL or $EDITOR to edit the definitions of PACKAGE...\n"))
+  (newline)
+  (display (G_ "
+  -L, --load-path=DIR    prepend DIR to the package module search path"))
   (newline)
   (display (G_ "
   -h, --help             display this help and exit"))
-- 
2.23.0

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